Americans invented absolutely ordinary (from the first sight) light yellow paper, which can be used for a blueprint. The spirit of the invention is in the disappearance of the text or picture from the paper after a few hours.

Brinda Dalal from the research centre of the Xerox Company in Palo – Alto (PARC) calls her “garbologist� — from English words “garbage� and “anthropologist�. She has been anxious by extremely irrational use of natural resources for example, natural paper, for a long period time.

Brinda has made a research from which she has found out that 21 % of the printed during the day documents is found in a refuse bin. A lot of papers (documents) are very often thrown away just after their appearance from a printer. And 44,5 % of the whole number of papers is “a routine business� such as “plans for today�, drafts or letters for e – mail and other writings, which lost their actuality the next day.

“We were surprised at the results, — Dalal says. — Nobody pays attention to the ephemeral information which quickly disappears from a refuse bin�. Now Dalal with the help of the chemists and Xerox Research Center of Canada has elaborated experimental prototype of the office paper which can be used many times (repeatedly).

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